class="kw">package com.hypixel.hytale.protocol;

class="kw">import com.hypixel.hytale.protocol.io.PacketIO;
class="kw">import com.hypixel.hytale.protocol.io.ProtocolException;
class="kw">import com.hypixel.hytale.protocol.io.ReadCursor;
class="kw">import com.hypixel.hytale.protocol.io.VarInt;
class="kw">import java.lang.foreign.MemorySegment;
class="kw">import java.util.HashMap;
class="kw">import java.util.Map;
class="kw">import java.util.Objects;
class="kw">import java.util.Map.Entry;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class InventorySection {
   class="kw">public class="kw">static class="kw">final int NULLABLE_BIT_FIELD_SIZE = 1;
   class="kw">public class="kw">static class="kw">final int FIXED_BLOCK_SIZE = 3;
   class="kw">public class="kw">static class="kw">final int VARIABLE_FIELD_COUNT = 1;
   class="kw">public class="kw">static class="kw">final int VARIABLE_BLOCK_START = 3;
   class="kw">public class="kw">static class="kw">final int MAX_SIZE = 1677721600;
   @Nullable
   class="kw">public Map<Integer, ItemWithAllMetadata> items;
   class="kw">public short capacity;

   class="kw">public InventorySection() {
   }

   class="kw">public InventorySection(@Nullable Map<Integer, ItemWithAllMetadata> var1, short var2) {
      this.items = var1;
      this.capacity = var2;
   }

   class="kw">public InventorySection(@Nonnull InventorySection var1) {
      this.items = var1.items;
      this.capacity = var1.capacity;
   }

   class="kw">public class="kw">static void requireBounds(MemorySegment var0, int var1) {
      if (var1 < 0) {
         throw ProtocolException.invalidOffset("InventorySection", var1, (int)var0.byteSize());
      }

      long var2 = var1 + 3L;
      if (var2 > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("InventorySection", (int)Math.min(var2, 2147483647L), (int)var0.byteSize());
      }
   }

   @Nullable
   class="kw">public class="kw">static Map<Integer, ItemWithAllMetadata> getItems(MemorySegment var0) {
      class="kw">return getItems(var0, 0);
   }

   @Nullable
   class="kw">public class="kw">static Map<Integer, ItemWithAllMetadata> getItems(MemorySegment var0, int var1) {
      if (!hasItems(var0, var1)) {
         class="kw">return null;
      }

      ReadCursor var2 = new ReadCursor();
      int var3 = var1 + 3;
      long var4 = VarInt.getWithLength(var0, var3);
      if (var4 == -1L) {
         throw ProtocolException.invalidVarInt("Items");
      }

      int var6 = (int)var4;
      if (var6 > 4096000) {
         throw ProtocolException.dictionaryTooLarge("Items", var6, 4096000);
      }

      var3 += (int)(var4 >>> 32);
      if (var3 + var6 * 38L > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("Items", (int)Math.min(var3 + var6 * 38L, 2147483647L), (int)var0.byteSize());
      }

      Map var7 = new HashMap<>(var6);

      for (int var8 = 0; var8 < var6; var8++) {
         int var9 = var0.get(PacketIO.PROTO_INT, var3);
         var3 += 4;
         ItemWithAllMetadata var10 = ItemWithAllMetadata.toObject(var0, var3, var2);
         var3 = var2.position;
         if (var7.put(var9, var10) != null) {
            throw ProtocolException.duplicateKey("Items", var9);
         }
      }

      class="kw">return var7;
   }

   class="kw">public class="kw">static short getCapacity(MemorySegment var0) {
      class="kw">return getCapacity(var0, 0);
   }

   class="kw">public class="kw">static short getCapacity(MemorySegment var0, int var1) {
      class="kw">return var0.get(PacketIO.PROTO_SHORT, var1 + 1);
   }

   class="kw">public class="kw">static boolean hasItems(MemorySegment var0, int var1) {
      byte var2 = var0.get(PacketIO.PROTO_BYTE, var1 + 0);
      class="kw">return (var2 & 1) != 0;
   }

   class="kw">public class="kw">static InventorySection toObject(MemorySegment var0) {
      class="kw">return toObject(var0, 0, null);
   }

   class="kw">public class="kw">static InventorySection toObject(MemorySegment var0, int var1) {
      class="kw">return toObject(var0, var1, null);
   }

   class="kw">public class="kw">static InventorySection toObject(MemorySegment var0, int var1, @Nullable ReadCursor var2) {
      requireBounds(var0, var1);
      int var3 = var1 + 3;
      int var4 = 0;
      ReadCursor var5 = var2 != null ? var2 : new ReadCursor();
      Map var6 = null;
      if (hasItems(var0, var1)) {
         int var7 = var3 + var4;
         long var8 = VarInt.getWithLength(var0, var7);
         if (var8 == -1L) {
            throw ProtocolException.invalidVarInt("Items");
         }

         int var10 = (int)var8;
         if (var10 > 4096000) {
            throw ProtocolException.dictionaryTooLarge("Items", var10, 4096000);
         }

         var7 += (int)(var8 >>> 32);
         if (var7 + var10 * 38L > var0.byteSize()) {
            throw ProtocolException.bufferTooSmall("Items", (int)Math.min(var7 + var10 * 38L, 2147483647L), (int)var0.byteSize());
         }

         var6 = new HashMap<>(var10);

         for (int var11 = 0; var11 < var10; var11++) {
            int var12 = var0.get(PacketIO.PROTO_INT, var7);
            var7 += 4;
            ItemWithAllMetadata var13 = ItemWithAllMetadata.toObject(var0, var7, var5);
            var7 = var5.position;
            if (var6.put(var12, var13) != null) {
               throw ProtocolException.duplicateKey("Items", var12);
            }
         }

         var4 = var7 - var3;
      }

      InventorySection var16 = new InventorySection(var6, var0.get(PacketIO.PROTO_SHORT, var1 + 1));
      if (var2 != null) {
         var2.position = var3 + var4;
      }

      class="kw">return var16;
   }

   class="kw">public int serialize(@Nonnull MemorySegment var1, int var2) {
      byte var3 = 0;
      if (this.items != null) {
         var3 = (byte)(var3 | 1);
      }

      var1.set(PacketIO.PROTO_BYTE, var2 + 0, var3);
      var1.set(PacketIO.PROTO_SHORT, var2 + 1, this.capacity);
      int var4 = var2 + 3;
      if (this.items != null) {
         if (this.items.size() > 4096000) {
            throw ProtocolException.dictionaryTooLarge("Items", this.items.size(), 4096000);
         }

         var4 += VarInt.set(var1, var4, this.items.size());

         for (Entry var6 : this.items.entrySet()) {
            var1.set(PacketIO.PROTO_INT, var4, var6.getKey());
            var4 += 4;
            var4 += var6.getValue().serialize(var1, var4);
         }
      }

      class="kw">return var4 - var2;
   }

   class="kw">public int computeSize() {
      int var1 = 3;
      if (this.items != null) {
         int var2 = 0;

         for (Entry var4 : this.items.entrySet()) {
            var2 += 4 + var4.getValue().computeSize();
         }

         var1 += VarInt.size(this.items.size()) + var2;
      }

      class="kw">return var1;
   }

   class="kw">public InventorySection clone() {
      InventorySection var1 = new InventorySection();
      if (this.items != null) {
         Map var2 = new HashMap<>();

         for (Entry var4 : this.items.entrySet()) {
            var2.put(var4.getKey(), var4.getValue().clone());
         }

         var1.items = var2;
      }

      var1.capacity = this.capacity;
      class="kw">return var1;
   }

   @Override
   class="kw">public boolean equals(Object var1) {
      if (this == var1) {
         class="kw">return true;
      } else {
         class="kw">return !(var1 class="kw">instanceof InventorySection var2) ? false : Objects.equals(this.items, var2.items) && this.capacity == var2.capacity;
      }
   }

   @Override
   class="kw">public int hashCode() {
      class="kw">return Objects.hash(this.items, this.capacity);
   }
}